Big Technologies plc: The Litigation, Governance and Financial Controversies Explained
Big Technologies plc, the AIM-listed company behind the Buddi electronic-monitoring business, has experienced an extraordinary period of litigation, leadership upheaval, shareholder disputes and exceptional legal expenditure.
This independent investigation brings together regulatory announcements, audited financial statements, Companies House filings, court-related disclosures and published reporting into one searchable record.
At a glance
Every number links to its source18 months of corporate turmoil
From CEO dismissal to High Court litigation, shareholder disputes, a £38.5m settlement and continuing proceedings.
Documented facts
Big Technologies dismissed founder Sara Murray as CEO on 31 March 2025.
SOURCE: Company RNS (0042D)
The company disclosed an undertaking not to dissipate assets up to £320m.
SOURCE: 2024 audited results
Big Technologies agreed a £38.5m settlement of the Buddi litigation.
SOURCE: 19 January 2026 RNS (3223P)
2025 audited accounts reported £8.142m of legal costs.
SOURCE: 2025 audited financial results
The company reported a £23.015m statutory operating loss in 2025.
SOURCE: Audited results
Mediation with Murray ended without settlement in September 2026.
SOURCE: 14 September 2026 RNS (5703U)
Serious allegations in the public record
The following are allegations made by Big Technologies in ongoing proceedings and regulatory announcements. They are not presented by this publication as independent findings of guilt or liability.
That Sara Murray failed to disclose certain interests or relationships affecting the stated extent of her interest in the company at the time of its AIM admission.
That untrue information was provided to the company, its lawyers and in statements filed with the court.
That more than £19 million had been improperly diverted or extracted from the company or its group companies to Murray or connected persons.
That certain documents, including purported Buddi board minutes and emails, had been forged or deliberately falsified.
Latest developments
All news →Big Technologies: mediation with Sara Murray ends, litigation to continue
Big Technologies announced that mediated discussions with founder Sara Murray had ended and that it would continue litigation absent meaningful settlement discussions (RNS 5703U).
Big Technologies plc / RNS
Ian Johnson retires; Charles Lewinton named Acting CEO
Big Technologies announced the retirement of CEO Ian Johnson and the appointment of Charles Lewinton as Acting CEO (RNS 0990K).
Big Technologies plc / RNS
Audited 2025 results: £23m operating loss, £8.1m legal costs
Audited results for the year to 31 December 2025 reported £49.727m revenue, £24.6m adjusted EBITDA and a £23.015m statutory operating loss, with £8.142m of legal costs and a £38.5m settlement provision.
Big Technologies plc / RNS
Buddi litigation settled for £38.5 million
Big Technologies agreed a £38.5m full and final settlement of the Buddi shareholder litigation: £31.5m payable immediately and £7m over 18 monthly instalments (RNS 3223P).
Big Technologies plc / RNS
"Don't take our word for it. Read the source."
Every claim is tethered to a primary document.